Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Shrub or small multi-stemmed tree, unarmed or with strong, straight spines. Young branches distinctly red. Leaves blue-green, spirally arranged, sometimes in fascicles on the spines, oblong to obovate, often notched at the apex; margins crenate-dentate. Flowers in dense axillary and terminal clusters, sweetly scented. Fruit a 2-lobed capsule pinkish to reddish-brown when ripe.